when one was a very young child; very early in one's life
Refers to the period of early childhood; often used in reminiscences or to describe formative experiences.
When I was a very young child, my grandmother often read picture books to me.
I still vividly remember my memories from very early in my life.
Standard kanji spelling.
Common kana-mixed spelling; 頃 is often written in kana.
Phrase composed of 幼い (osana-i, 'very young') + 頃 (koro, 'time, period').